Shelf extender



FIG. 1 is a side perspective view of a shelf extender showing my new design;

FIG. 2 is a right side elevational view thereof, the left side elevational view being the mirror image thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a front elevational view thereof. 

The ornamental design for a shelf extender, as shown. 